<template>
  <form-item-wrapper :designer="designer" :field="field" :rules="rules" :design-state="designState"
                     :parent-widget="parentWidget" :parent-list="parentList" :index-of-parent-list="indexOfParentList"
                     :sub-form-row-index="subFormRowIndex" :sub-form-col-index="subFormColIndex" :sub-form-row-id="subFormRowId">
    <el-input v-show="!isReadMode" v-model="field.options.defaultValue" ref="fieldEditor" :placeholder="field.options.placeholder" readonly></el-input>
    <template v-if="isReadMode">
      <span class="readonly-mode-field">{{field.options.defaultValue}}</span>
    </template>
  </form-item-wrapper>
</template>

<script>
  import FormItemWrapper from './form-item-wrapper'
  import emitter from '@/utils/emitter'
  import i18n, {translate} from "@/utils/i18n";
  import fieldMixin from "@/components/form-designer/form-widget/field-widget/fieldMixin";
  import {generateId} from "@/utils/util";

  export default {
    name: "user-info-widget",
    componentName: 'FieldWidget',  //必须固定为FieldWidget，用于接收父级组件的broadcast事件
    mixins: [emitter, fieldMixin, i18n],
    props: {
      field: Object,
      parentWidget: Object,
      parentList: Array,
      indexOfParentList: Number,
      designer: Object,

      designState: {
        type: Boolean,
        default: false
      },

      subFormRowIndex: { /* 子表单组件行索引，从0开始计数 */
        type: Number,
        default: -1
      },
      subFormColIndex: { /* 子表单组件列索引，从0开始计数 */
        type: Number,
        default: -1
      },
      subFormRowId: { /* 子表单组件行Id，唯一id且不可变 */
        type: String,
        default: ''
      },

    },
    components: {
      FormItemWrapper,
    },
    data() {
      return {
        oldFieldValue: null, //field组件change之前的值
        fieldModel: null,
        rules: [],
        widgetKey: '',
        dataForm: {
        },
        userInfo: this.getGlobalDsv()['userInfo'],
        // userText: '',
        isRefresh: false, //是否刷新组件 用于自动带入人员信息
      }
    },
    watch: {
      // 'field.options.showType': {
      //   immediate: true,
      //   deep: true,
      //   handler(newValue) {
      //     this.field.options.defaultValue = this.userInfo[newValue]
      //   }
      // }
      isRefresh: {
        handler() {
          if (!this.designState) {
            this.userTextFun();
          }
        }
      }
    },
    computed: {
      allowDefaultFirstOption() {
        return !!this.field.options.filterable || !!this.field.options.remote
      },

      remoteMethod() {
        if (!!this.field.options.remote && !!this.field.options.onRemoteQuery) {
          return this.remoteQuery
        } else {
          return undefined
        }
      },

      selectKey() {
        return this.widgetKey || this.field.id
      },

      /**
       * 获取用户信息
       * 如权限为“只读”：
       *  1.有值，显示已保存数据
       *  2.无值，为空
       * 如果状态为编辑：
       *  1.有值，则根据当前用户信息进行覆盖；
       *  2.无值，则根据当前用户信息初始化。
       */
      // userText() {
      //   const {showType} = this.field.options
      //   let text = this.userInfo[showType] || ''
      //   if (!this.field.options.readonly) {
      //     // 编辑模式
      //     this.field.options.defaultValue = text
      //     this.syncUpdateFormModel(text);
      //   }
      //   return this.field.options.readonly ? this.field.options.defaultValue || '' : text
      // }
    },
    beforeCreate() {
      /* 这里不能访问方法和属性！！ */
    },

    created() {
      /* 注意：子组件mounted在父组件created之后、父组件mounted之前触发，故子组件mounted需要用到的prop
         需要在父组件created中初始化！！ */
      this.registerToRefList()
      this.initFieldModel()
      this.initEventHandler()
      this.buildFieldRules()

      this.handleOnCreated()
    },

    mounted() {
      this.handleOnMounted()
    },

    beforeUnmount() {
      this.unregisterFromRefList()
    },

    methods: {
      /**
       * 获取用户信息
       * 如权限为“只读”：
       *  1.有值，显示已保存数据
       *  2.无值，为空
       * 如果状态为“编辑”：(初始化默认为编辑状态)
       *  1.有值，则根据当前用户信息进行覆盖；
       *  2.无值，则根据当前用户信息初始化。
       */
      userTextFun() {
        const {showType} = this.field.options
        let text = this.userInfo[showType] || ''
        if (!this.field.options.readonly) {
          // 编辑模式
          this.field.options.defaultValue = text
          this.syncUpdateFormModel(text);
          this.dispatch('VFormRender', 'fieldValidation', [this.getPropName()])
          // this.handleChangeEvent(text)
        }
        // this.userText = this.field.options.readonly ? this.field.options.defaultValue || '' : text
      },
      /**
       * 获取选中项label
       * @return {*}
       */
      getSelectedLabel() {
        return this.$refs.fieldEditor.selectedLabel
      },

      refreshWidgetKey() {  //强制刷新组件！！
        this.widgetKey = 'select-key-' + generateId()
      },
    }
  }
</script>

<style lang="scss" scoped>
  @import "../../../../styles/global.scss"; /* form-item-wrapper已引入，还需要重复引入吗？ */

  .full-width-input {
    width: 100% !important;
  }

</style>
